10 results
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Droplets that contain bacilli ... affecting the lungs ... • Lymphoma • Lung ... • Progressive lung ... • Upper lobe lung
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Droplets that contain bacilli ... affecting the lungs ... • Lymphoma • Lung ... • Progressive lung ... • Upper lobe lung
Notice the cavitation especially on the right.
In the left upper lobe there is probably some traction-bronchiectasis
Radiology #Pulmonary #CTChest ... #Tuberculosis # ... TB #Active #SecondaryTB ... #Cavitary #TractionBronchiectasis
Cavitary Lesion with Air-Fluid Level on Chest XRay

70+ year old man with PMH of latent TB
Cavitary Lesion ... Air-Fluid Level on Chest ... man with PMH of latent ... TB s/p treatment ... and pleuritic chest
TB
This patient presented first with the CXR on the left.
The findings are:
Widespread ill-defined densities, which are
Cavity in the right ... reactivation of a latent ... TB. ... Radiology #CXR #Tuberculosis ... #Cavitary #RadiologyAssistant
Primairy TB is usually clinically silent.
In 5% of infected individuals the immunity is inadequate and clinically
Primairy TB is usually ... reactivation of the latent ... with cavitaty formation ... Radiology #CXR #Tuberculosis ... #TB #Cavitary #
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Mycobacterium tuberculosis ... Extrapulmonary tuberculosis ... Tuberculosis Pneumonia ... fever, cough and cavitary ... infiltrates, mimicking TB
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Mycobacterium tuberculosis ... • Nodular or cavitary ... Kansasii: • Mimics TB ... with: Cavitary ... • Dyspnea, • Chest
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
• CD4 > 200: M.tuberculosis ... • CD4 < 200: M.tuberculosis ... failure, COPD, Lung ... /- High res CT chest ... Fungal, AFB), TB
Cavitation - Pneumonia
In virulent pyogenic infections an abscess may form within the consolidated lung as a
the consolidated lung ... coughed up, a cavity ... be seen on the chest ... infection like TB ... Radiology #CXR #CTChest